diff --git a/.github/workflows/deploy_book.yml b/.github/workflows/deploy_book.yml
index f2f38ef..29a8086 100644
--- a/.github/workflows/deploy_book.yml
+++ b/.github/workflows/deploy_book.yml
@@ -30,7 +30,7 @@ jobs:
           cd docs
           mdbook build
       - name: Setup Pages
-        uses: actions/configure-pages@v2
+        uses: actions/configure-pages@v4
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
         with: